NASTY is a playable word

nasty Scrabble® Dictionary

adjective
nastier, nastiest
offensive to the senses
(adverb) nastily
noun
pl. nasties
something that is nasty
28 Playable Words can be made from "NASTY"
   2-Letter Words (7 found)
   3-Letter Words (13 found)
   4-Letter Words (5 found)
   5-Letter Words (3 found)